Sony CMT-HX3 Service Manual page 48

HCD-HX3/HX5/HX7
• IC Block Diagrams
– CD Board –
IC201 TK63115SCL-G@GT (HX7)
VIN 1
THERMAL &
OVER CURRENT
PROTECTION
–
VOLTAGE
GND 2
REFERENCE
+
5 VOUT
ON/OFF
VCONT 3 4 NC
CONTROL
IC401 BA5826SFP-E2
28
1 GND
VO1(–)
D.BUFF
27 VO4(–)
2
VO1(+)
D.BUFF
D.BUFF LEVEL
SHIFT 26 VO4(+)
IN1 3 D.BUFF
LEVEL
SHIFT
25
IN4
4
RESET
24
IN4'
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
23
5 BIAS
REGB
22 VCC
VCC
6
REGOUT
VCC 21 VCC
MUTE
MUTE 7
20 IN3'
GND 8
IN2' 9
19 IN3
IN2 10
LEVEL
LEVEL
SHIFT
D.BUFF
SHIFT
D.BUFF
18 VO3(+)
VO2(+) 11
D.BUFF
D.BUFF
17 VO3(–)
VO2(–)
12
GND 13
16 RESETt
OPOUT
14
15 OPIN
HCD-HX3/HX5/HX7
IC201 XC6215B152MR (HX3/HX5)
VIN 1
ERROR MP
+ CURRENT
LIMIT
–
VOLTAGE
VSS 2
REFERENCE
ON/OFF
CE 3 EACH CIRCUIT
CONTROL
– USB Board –
IC915 R5523N001B-TR-F
5 VOUT
GATE CURRENT
EN 1
CONTROL LIMIT
UVLO
4 NC FLAG
GND 2
DELAY
THERMAL
SHUTDOWN
FLG 3
– BT Board –
IC903 XC6213B332MR
VIN 1
ON/OFF
CONTROL
+
CURRENT
LIMIT –
VOLTAGE
REFERENCE
VSS 2
CE 3
– XM Board –
IC041 AK4384ET-E2
CLOCK DE-ENPHASIS
MCLK 1
DRIVER CONTROL
8X
ATT
2 INTERPOLATOR
BICK
AUDIO
SDTI 3 DATA
INTERFACE
LRCK 4
8X
ATT
INTERPOLATOR
PDN 5
SMUTE/CSN 6
µP
ACKS/CCLK 7
INTERFACE
DIF0/CDTI
8
46 46
– USB POWER Board –
IC319 SI-8008TFE
5 OUT
OVERCURRENT
ON/OFF
PREG
PROTECTION
SOFT
START
4 IN OSCILLATOR RESET
COMPARATOR
–
THERMAL
PROTECTION
+
–
+
+
ERROR AMP
REFERENCE
VOLTAGE
1
5 VOUT
4 NC
16 DZFL
15 DZFR
14 VDD
VSS
13
VCOM
12
∆Σ
SCF
11 AOUTL
MODULATOR LPF
∆Σ
SCF
10
AOUTR
MODULATOR LPF
9 P/S
LATCH
&
DRIVER
2 3 4 5